document.write( "Question 120821: Find the constant term that should be added to make the following expression a perfect-square trinomial.
\n" ); document.write( " x^2 + 18x\r
\n" ); document.write( "\n" ); document.write( "I come up wtih
\n" ); document.write( "x^2+2time9x+81 but I am not sure that this is correct.
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Algebra.Com's Answer #88608 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
You are correct. However, I would multiply 2 and 9x to get \"18x\"\r
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\n" ); document.write( "\n" ); document.write( "So your answer should look like: \"x%5E2%2B18x%2B81\"
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